72206440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{58231}}^1$

素因数の和:58273

約数の個数: 32

約数和(自身を含む): 167708160

約数和(自身を除く): 95501720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 58231, 116462, 232924, 291155, 465848, 582310, 1164620, 1805161, 2329240, 3610322, 7220644, 9025805, 14441288, 18051610, 36103220, 72206440]

約数ペア:

[(1, 72206440), (2, 36103220), (4, 18051610), (5, 14441288), (8, 9025805), (10, 7220644), (20, 3610322), (31, 2329240), (40, 1805161), (62, 1164620), (124, 582310), (155, 465848), (248, 291155), (310, 232924), (620, 116462), (1240, 58231)]